40722562 has 4 divisors (see below), whose sum is σ = 61083846. Its totient is φ = 20361280.

The previous prime is 40722559. The next prime is 40722569. The reversal of 40722562 is 26522704.

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., 24890121 + 15832441 = 4989^2 + 3979^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40722562.

It is not an unprimeable number, because it can be changed into a prime (40722569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10180639 + ... + 10180642.

Almost surely, 2^40722562 is an apocalyptic number.

40722562 is a deficient number, since it is larger than the sum of its proper divisors (20361284).

40722562 is a wasteful number, since it uses less digits than its factorization.

40722562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361283.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40722562 is about 6381.4231954949. The cubic root of 40722562 is about 344.0421854250.

The spelling of 40722562 in words is "forty million, seven hundred twenty-two thousand, five hundred sixty-two".