22105370746 has 4 divisors (see below), whose sum is σ = 33158056122. Its totient is φ = 11052685372.

The previous prime is 22105370737. The next prime is 22105370753. The reversal of 22105370746 is 64707350122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16573730121 + 5531640625 = 128739^2 + 74375^2 .

It is a super-2 number, since 2×22105370746² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5526342685 + ... + 5526342688.

Almost surely, 2^22105370746 is an apocalyptic number.

22105370746 is a deficient number, since it is larger than the sum of its proper divisors (11052685376).

22105370746 is a wasteful number, since it uses less digits than its factorization.

22105370746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052685375.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 22105370746 in words is "twenty-two billion, one hundred five million, three hundred seventy thousand, seven hundred forty-six".