2229722 has 16 divisors (see below), whose sum is σ = 3735072. Its totient is φ = 989520.

The previous prime is 2229713. The next prime is 2229767. The reversal of 2229722 is 2279222.

It is a d-powerful number, because it can be written as 2³ + 2⁵ + 2⁷ + 9⁴ + 7⁶ + 2¹³ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2229691 and 2229700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (233442).

2^2229722 is an apocalyptic number.

2229722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2229722 is a deficient number, since it is larger than the sum of its proper divisors (1505350).

2229722 is a wasteful number, since it uses less digits than its factorization.

2229722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its digits is 2016, while the sum is 26.

The square root of 2229722 is about 1493.2253681210. The cubic root of 2229722 is about 130.6422263859.

The spelling of 2229722 in words is "two million, two hundred twenty-nine thousand, seven hundred twenty-two".