22776330 has 32 divisors (see below), whose sum is σ = 54863424. Its totient is φ = 6051456.

The previous prime is 22776329. The next prime is 22776331. The reversal of 22776330 is 3367722.

It is an interprime number because it is at equal distance from previous prime (22776329) and next prime (22776331).

It is a super-2 number, since 2×22776330² = 1037522416537800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22776331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7974 + ... + 10446.

It is an arithmetic number, because the mean of its divisors is an integer number (1714482).

Almost surely, 2^22776330 is an apocalyptic number.

22776330 is an abundant number, since it is smaller than the sum of its proper divisors (32087094).

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

22776330 is a wasteful number, since it uses less digits than its factorization.

22776330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 22776330 is about 4772.4553429026. The cubic root of 22776330 is about 283.4618271470.

The spelling of 22776330 in words is "twenty-two million, seven hundred seventy-six thousand, three hundred thirty".