22749986299428 has 72 divisors (see below), whose sum is σ = 61560563034880. Its totient is φ = 7338705248160.

The previous prime is 22749986299427. The next prime is 22749986299429. The reversal of 22749986299428 is 82499268994722.

22749986299428 is a `hidden beast` number, since 2 + 2 + 7 + 4 + 99 + 86 + 29 + 9 + 428 = 666.

It is an interprime number because it is at equal distance from previous prime (22749986299427) and next prime (22749986299429).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (22749986299427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377475283 + ... + 377535546.

Almost surely, 2^{22749986299428} is an apocalyptic number.

It is an amenable number.

22749986299428 is an abundant number, since it is smaller than the sum of its proper divisors (38810576735452).

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

22749986299428 is a wasteful number, since it uses less digits than its factorization.

22749986299428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755010879 (or 755010865 counting only the distinct ones).

The product of its digits is 4514807808, while the sum is 81.

The spelling of 22749986299428 in words is "twenty-two trillion, seven hundred forty-nine billion, nine hundred eighty-six million, two hundred ninety-nine thousand, four hundred twenty-eight".