45722225990 has 16 divisors (see below), whose sum is σ = 94057150752. Its totient is φ = 15676191744.

The previous prime is 45722225953. The next prime is 45722226001. The reversal of 45722225990 is 9952222754.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326587259 + ... + 326587398.

It is an arithmetic number, because the mean of its divisors is an integer number (5878571922).

Almost surely, 2^45722225990 is an apocalyptic number.

45722225990 is an abundant number, since it is smaller than the sum of its proper divisors (48334924762).

45722225990 is a wasteful number, since it uses less digits than its factorization.

45722225990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653174671.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 45722225990 in words is "forty-five billion, seven hundred twenty-two million, two hundred twenty-five thousand, nine hundred ninety".