151222502 has 8 divisors (see below), whose sum is σ = 226940616. Its totient is φ = 75575632.

The previous prime is 151222499. The next prime is 151222523. The reversal of 151222502 is 205222151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×151222502² = 45736490222280008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12143 + ... + 21210.

It is an arithmetic number, because the mean of its divisors is an integer number (28367577).

Almost surely, 2^151222502 is an apocalyptic number.

151222502 is a deficient number, since it is larger than the sum of its proper divisors (75718114).

151222502 is a wasteful number, since it uses less digits than its factorization.

151222502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35622.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 151222502 is about 12297.2558727547. The cubic root of 151222502 is about 532.7688277979.

Adding to 151222502 its reverse (205222151), we get a palindrome (356444653).

The spelling of 151222502 in words is "one hundred fifty-one million, two hundred twenty-two thousand, five hundred two".