22154713 has 8 divisors (see below), whose sum is σ = 25836800. Its totient is φ = 18989460.

The previous prime is 22154711. The next prime is 22154771. The reversal of 22154713 is 31745122.

It is a happy number.

It is not a de Polignac number, because 22154713 - 2¹ = 22154711 is a prime.

It is a super-2 number, since 2×22154713² = 981662616224738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154711) 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, 31953 + ... + 32638.

It is an arithmetic number, because the mean of its divisors is an integer number (3229600).

Almost surely, 2^22154713 is an apocalyptic number.

It is an amenable number.

22154713 is a deficient number, since it is larger than the sum of its proper divisors (3682087).

22154713 is an frugal number, since it uses more digits than its factorization.

22154713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64612 (or 64598 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 22154713 is about 4706.8793271126. The cubic root of 22154713 is about 280.8592355680.

Adding to 22154713 its reverse (31745122), we get a palindrome (53899835).

The spelling of 22154713 in words is "twenty-two million, one hundred fifty-four thousand, seven hundred thirteen".