90709022 has 16 divisors (see below), whose sum is σ = 139039872. Its totient is φ = 44371800.

The previous prime is 90709001. The next prime is 90709027. The reversal of 90709022 is 22090709.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90709027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17993 + ... + 22475.

It is an arithmetic number, because the mean of its divisors is an integer number (8689992).

Almost surely, 2^90709022 is an apocalyptic number.

90709022 is a deficient number, since it is larger than the sum of its proper divisors (48330850).

90709022 is a wasteful number, since it uses less digits than its factorization.

90709022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 90709022 is about 9524.1284115661. The cubic root of 90709022 is about 449.3142179779.

The spelling of 90709022 in words is "ninety million, seven hundred nine thousand, twenty-two".