37222444 has 96 divisors (see below), whose sum is σ = 84439040. Its totient is φ = 13996800.

The previous prime is 37222421. The next prime is 37222499. The reversal of 37222444 is 44422273.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610174 + ... + 610234.

Almost surely, 2^37222444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37222444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42219520).

37222444 is an abundant number, since it is smaller than the sum of its proper divisors (47216596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37222444 is a wasteful number, since it uses less digits than its factorization.

37222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its digits is 10752, while the sum is 28.

The square root of 37222444 is about 6101.0199147356. The cubic root of 37222444 is about 333.8886286499. Note that the first 3 decimals are identical.

The spelling of 37222444 in words is "thirty-seven million, two hundred twenty-two thousand, four hundred forty-four".